Other Intangibles - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Other Intangibles [Line Items]
Amortization expense	$ 1.0	$ 2.7
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Depreciation, Depletion and Amortization, Nonproduction
Franchise Rights [Member]
Other Intangibles [Line Items]
Impairment of intangible assets finite lived	$ 12.8